由于过度拥挤和个人卫生的不足，虱子，跳蚤，螨，蜱和其他节肢动物也可能引起健康问题。
As a result of overcrowding and inadequate personal hygiene, lice, fleas, mites, ticks, and other arthropods may also cause health problems.
目的调查珠海口岸地区鼠体表寄生虫蚤、革螨、恙螨、蜱、吸虱的种群组成。
Objective To investigate species composition of gamasid mites, chigger mites and flea on the rodent in Zhuhai Port.
本实习目的，让学生利用光学显微镜及扫瞄式电子显微镜认识基本之螨蜱外部形态构造及功能，与观察螨类对重要经济作物的为害特徵。
This course offers a basic understanding on morphology structure and function, the injury on crop of Acari by light microscopy and scanning electron microscopy practical operation.
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